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Smoke and carbon monoxide detector

1.Power supply: 3x1.5V AA battery
2.Low battery waning
3.Test & Reset button
4.Co detec range: 100-999ppm
5.3 color lights for defferent alarm state
6.Alarm sound: 85dB/3m
7.Working temperature: 0-50℃
8.Relative humidity: 10%-95%RH
9.Dimensions: φ105x39mm
10.CE-EN50291/EN14604, RoHS approved

Description
Inquiry

Power Supply: 3*1.5V AA batteries

* Sensor: Electrochemical CO sensor
* Alarm Style: Per EN50291
* Sensitivity/Alarm Time:
Within 60~90 minutes 50ppm CO concentration;
Within 10~40 minutes 100ppm CO concentration;
Within 3 minutes 300ppm CO concentration
* LCD Displayer (optional): 3 digits LCD displayer
* Audibility: 85dB ( at 1m distance ), Frequency 3±0.5KHZ
* Led Indication /Sound Pattern:
Standby: Green Led flashes once every 30 seconds
Alarm: Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat,
* Low-bat Indicator:
Chirp every 30s as battery lower than 3.3V with green LED flashing and Lb on LCD
* Mal-function Indicator: Chirp every 30s with green LED out and Err on LCD
* Power consumption: 0.3mW
* Sensor Life: 3 years
* Operation ambient: 0 ~ 40, 20% ~ 90%RH
* Mounting: Wall/Ceiling mounting
* Dimension 100mm*40mm, Weight: 0.12kg
* Comply With: CE, EN50291,RoHS,REACH

Installation:

Also can be installed room and hallway:(no greater than 7.5m from the farthest wall, no greater than 7.5m from a door, no greater 7.5m to next smoke alarm)